258790394156 has 12 divisors (see below), whose sum is σ = 517580788368. Its totient is φ = 110910168912.

The previous prime is 258790394129. The next prime is 258790394237. The reversal of 258790394156 is 651493097852.

It is a happy number.

258790394156 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 258790394095 and 258790394104.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4621257011 + ... + 4621257066.

It is an arithmetic number, because the mean of its divisors is an integer number (43131732364).

It is a 1-persistent number, because it is pandigital, but 2⋅258790394156 = 517580788312 is not.

Almost surely, 2^258790394156 is an apocalyptic number.

It is an amenable number.

258790394156 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

258790394156 is a wasteful number, since it uses less digits than its factorization.

258790394156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242514088 (or 9242514086 counting only the distinct ones).

The product of its (nonzero) digits is 16329600, while the sum is 59.

The spelling of 258790394156 in words is "two hundred fifty-eight billion, seven hundred ninety million, three hundred ninety-four thousand, one hundred fifty-six".